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Biorhythm

The biorhythm API is a service that calculates the three primary biorhythm cycles (physical, emotional, and intellectual) based on a user's birth date. The API response provides a percentage value for each biorhythm and a trend indicator for upcoming days.
POSThttps://json.astrologyapi.com/v1/biorhythm

Authentication

x-astrologyapi-keystringrequired

API access token used to authenticate requests. Send your access token in this custom header.

Accept-Languagestring

Preferred language for the response content. Supported: English - en.

Body parameters

dayintrequired

Date of birth, eg: 10

monthintrequired

Month of birth, eg: 5

yearintrequired

Year of birth, eg: 1990

hourintrequired

Hour of birth, eg: 19

minintrequired

Minute of birth, eg: 55

latfloatrequired

Latitude, eg: 19.2056

lonfloatrequired

Longitude, eg: 25.2056

tzonefloatrequired

Timezone, eg: 5.5

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Moon Biorhythm
curl --location 'https://json.astrologyapi.com/v1/biorhythm' \
  --header 'Content-Type: application/json' \
  --header 'x-astrologyapi-key: <YOUR_ACCESS_TOKEN>' \
  --data '{
    "day": 10,
    "month": 5,
    "year": 1990,
    "hour": 19,
    "min": 55,
    "lat": 19.2056,
    "lon": 25.2056,
    "tzone": 5.5
}'
Try it

Runs with sample data — no API key needed

"NOTE: Trends indicate the improvement or degradation in upcoming days. {\n\t\"physical\": {\n\t\t\"percent\": -39,\n\t\t\"trend\": 1\n\t},\n\t\"emotional\": {\n\t\t\"percent\": 23,\n\t\t\"trend\": 0\n\t},\n\t\"intellectual\": {\n\t\t\"percent\": 62,\n\t\t\"trend\": 0\n\t},\n\t\"average\": {\n\t\t\"percent\": 16,\n\t\t\"trend\": 0\n\t}\n}"